/**
 * <one line to give the program's name and a brief idea of what it does.>
 * Copyright (C) Aug 3, 2011  Isaias
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package redclient.ui;

import java.net.MalformedURLException;
import java.net.URL;
import javax.swing.InputVerifier;
import javax.swing.JComponent;
import javax.swing.JLabel;

/**
 *
 * @author Isaias
 * @file URLVerifier.java
 */
public class URLVerifier extends InputVerifier
{

    JLabel lblValidInput;

    String fieldName;

    public URLVerifier(String fieldName, JLabel lblValidInput) {
        this.lblValidInput = lblValidInput;
        this.fieldName = fieldName;
    }

    @Override
    public boolean verify(JComponent input) {
        boolean result = true;
        try
        {
            String urlvalue = ((javax.swing.JTextField)input).getText();
            URL url = new URL(urlvalue);
            lblValidInput.setText(null);
        }
        catch(MalformedURLException mue)
        {
            lblValidInput.setText("Invalid URL address of field " + fieldName);
            result = false;
        }
        return result;
    }
}
